GSD-2022-1001971 mmmremap.c: avoid pointless invalidate_range_start/end on mremap(old_size=0)
A potential security issue in the Linux kernel mremap function was identified, though actual impact remains unproven.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2022-1001971?
GSD-2022-1001971 is a vulnerability in Kernel, published on 24 Apr 2022.
Official description
mmmremap.c: avoid pointless invalidate_range_start/end on mremap(old_size=0)
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.111 by commit 7d659cb1763ff17d1c6ee082fa6feb4267c7a30b. For more details please see the references link.
Which versions are affected by GSD-2022-1001971?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001971?
No fix has been published for GSD-2022-1001971 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1001971 being exploited?
There is no known exploitation of GSD-2022-1001971 in the wild and no public exploit code.